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Water-Absorbing Resin Suitable For Absorbing Viscous Liquid Containing High-Molecular Compound, And Absorbent And Absorbent Article Each Comprising The Same

Patent No. EP1291368 (titled "Water-Absorbing Resin Suitable For Absorbing Viscous Liquid Containing High-Molecular Compound, And Absorbent And Absorbent Article Each Comprising The Same") was filed by Sumitomo Seika Chemicals on Apr 12, 2002. The application was issued on May 31, 2017.

Patent Summary

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
NIPPON SHOKUBAI	Feb 28, 2018	HOFFMANN EITLE

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Feb 10, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 10, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Feb 5, 2020
Termination of the opposition proceedings with revocation of patent
Nov 13, 2019
Advice of delivery
Nov 12, 2019
Advice of delivery
Oct 24, 2019
Advice of delivery
Oct 22, 2019
Acknowledgement of a document
Oct 22, 2019
Acknowledgement of a document
Oct 22, 2019
Decision of the Opposition Division and instruction
Oct 22, 2019
Decision revoking the European patent
Oct 22, 2019
Grounds for the decision (Annex) - opposition
Oct 22, 2019
Internal form - Opposition/addressees
Oct 22, 2019
Means of redress
Oct 22, 2019
Scanned annex to a communication - opposition procedure
Oct 22, 2019
Scanned annex to a communication - opposition procedure
Oct 21, 2019
Submission concerning representation
Sep 27, 2019
Notification concerning the date of oral proceedings
Sep 27, 2019
Notification concerning the date of oral proceedings
Sep 18, 2019
Brief communication - Opposition proceedings
Sep 12, 2019
Brief communication - Opposition proceedings
Sep 11, 2019
(Electronic) Receipt
Sep 11, 2019
Brief communication - Opposition proceedings
Sep 11, 2019
Brief communication - Opposition proceedings
Sep 11, 2019
Letter accompanying subsequently filed items
Sep 11, 2019
Written submission in preparation to/during oral proceedings
Sep 5, 2019
(Electronic) Receipt
Sep 5, 2019
Citation in opposition procedure
Sep 5, 2019
Citation in opposition procedure
Sep 5, 2019
Citation in opposition procedure
Sep 5, 2019
Letter accompanying subsequently filed items
Sep 5, 2019
Non-patent literature cited during the opposition procedure
Sep 5, 2019
Translation of the evidence during Opposition procedure
Sep 5, 2019
Translation of the evidence during Opposition procedure
Sep 5, 2019
Written submission in preparation to/during oral proceedings
Sep 3, 2019
(Electronic) Receipt
Sep 3, 2019
Letter accompanying subsequently filed items
Sep 3, 2019
Withdrawal of a request for oral proceedings
Sep 2, 2019
(Electronic) Receipt
Sep 2, 2019
Letter accompanying subsequently filed items
Sep 2, 2019
Request for interpreters during oral proceedings
Mar 11, 2019
Submission concerning representation
Feb 1, 2019
Advice of delivery
Jan 15, 2019
Advice of delivery
Dec 17, 2018
Advice of delivery
Dec 14, 2018
Annex to the communication - opposition
Dec 14, 2018
Information concerning oral proceedings
Dec 14, 2018
Scanned annex to a communication - opposition procedure
Dec 14, 2018
Summons to attend oral proceedings
Dec 14, 2018
Summons to attend oral proceedings
Jul 30, 2018
Brief communication - Opposition proceedings
Jul 24, 2018
(Electronic) Receipt
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Claims
Jul 24, 2018
Claims
Jul 24, 2018
Claims
Jul 24, 2018
Claims
Jul 24, 2018
Letter accompanying subsequently filed items
Jul 24, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 3, 2018
Submission concerning representation
Mar 27, 2018
Communication of a notice of opposition and request to file observations
Mar 27, 2018
Notice of further oppositions to opponent(s)
Mar 6, 2018
Communication of a notice of opposition - first information to patent proprietor
Feb 28, 2018
(Electronic) Receipt
Feb 28, 2018
Any annexes (other than citation) to an opposition letter
Feb 28, 2018
Any annexes (other than citation) to an opposition letter
Feb 28, 2018
Non-patent literature cited during the opposition procedure
Feb 28, 2018
Non-patent literature cited during the opposition procedure
Feb 28, 2018
Non-patent literature cited during the opposition procedure
Feb 28, 2018
Non-patent literature cited during the opposition procedure
Feb 28, 2018
Notice of opposition
Feb 28, 2018
Notice of opposition
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Patent document cited during the opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
Feb 28, 2018
Translation of the evidence during Opposition procedure
May 31, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 8, 2017
Decision to grant a European patent
Apr 18, 2017
Bibliographic data of the European patent application
Apr 18, 2017
Information about intention to grant a patent
Apr 18, 2017
Intention to grant (signatures)
Apr 18, 2017
Text intended for grant (clean copy)
Apr 18, 2017
Text intended for grant (version for approval)
Apr 6, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 23, 2017
(Electronic) Receipt
Mar 23, 2017
Amended claims with annotations
Mar 23, 2017
Amended description with annotations
Mar 23, 2017
Claims
Mar 23, 2017
Description
Mar 23, 2017
French translation of claims
Mar 23, 2017
German translation of the claims
Mar 23, 2017
Letter accompanying subsequently filed items
Mar 23, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 24, 2016
Bibliographic data of the European patent application
Nov 24, 2016
Communication about intention to grant a European patent
Nov 24, 2016
Intention to grant (signatures)
Nov 24, 2016
Text intended for grant (clean copy)
Nov 24, 2016
Text intended for grant (version for approval)
Jul 7, 2015
(Electronic) Receipt
Jul 7, 2015
Amended claims with annotations
Jul 7, 2015
Amended description with annotations
Jul 7, 2015
Claims
Jul 7, 2015
Description
Jul 7, 2015
Letter accompanying subsequently filed items
Jul 7, 2015
Reply to communication from the Examining Division
Mar 6, 2015
Annex to the communication
Mar 6, 2015
Communication from the Examining Division
Dec 5, 2013
Communication of amended entries concerning the representative
Nov 8, 2013
Submission concerning change of applicant's representative
Nov 6, 2013
Submission concerning change of applicant's representative
Feb 14, 2013
(Electronic) Receipt
Feb 14, 2013
Amended claims with annotations
Feb 14, 2013
Annex
Feb 14, 2013
Claims
Feb 14, 2013
Letter accompanying subsequently filed items
Feb 14, 2013
Reply to communication from the Examining Division
Dec 14, 2012
Grant of extension of time limit (examination procedure)
Dec 10, 2012
(Electronic) Receipt
Dec 10, 2012
Letter accompanying subsequently filed items
Dec 10, 2012
Request for extension of time limit to communication from the Examining Division
Aug 9, 2012
Annex to the communication
Aug 9, 2012
Communication from the Examining Division
Jan 21, 2010
Amended claims with annotations
Jan 21, 2010
Claims
Jan 21, 2010
Reply to communication from the Examining Division
Jan 20, 2010
Reply to communication from the Examining Division
Nov 19, 2009
Grant of extension of time limit (examination procedure)
Nov 5, 2009
Request for extension of time limit to communication from the Examining Division
Jul 10, 2009
Annex to the communication
Jul 10, 2009
Communication from the Examining Division
May 22, 2009
Maintenance of the application
Apr 9, 2009
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 23, 2009
Communication regarding the transmission of the European search report
Mar 23, 2009
Supplementary European search report
Feb 12, 2007
Acknowledgement of receipt of observations by third party
Feb 12, 2007
Communication to applicant regarding observations by third parties
Jan 24, 2007
Non-patent literature filed by a third party
Jan 24, 2007
Observations by third parties
Jan 24, 2007
Patent document filed by a Third party
Jan 24, 2007
Patent document filed by a Third party
Jan 24, 2007
Patent document filed by a Third party
Jun 7, 2004
Priority document (electronically transmitted)
Feb 4, 2004
Communication of amended entries concerning the representative
Jan 28, 2004
Request for change of representative
Jan 27, 2004
Request for change of representative
Nov 21, 2003
Communication to designated inventor
Nov 21, 2003
Communication to designated inventor
Nov 21, 2003
Communication to designated inventor
Nov 21, 2003
Communication to designated inventor
Nov 21, 2003
Communication to designated inventor
May 5, 2003
Letter concerning the inventor
Jan 29, 2003
Notification of forthcoming publication
Jan 20, 2003
Communication regarding possible amendment of claims/payment of claims fees
Jan 2, 2003
Priority document (electronically transmitted)
Dec 17, 2002
Abstract
Dec 17, 2002
Claims
Dec 17, 2002
Claims
Dec 17, 2002
Claims
Dec 17, 2002
Description
Dec 17, 2002
Drawings
Dec 17, 2002
Letter concerning search matters
Dec 17, 2002
Request for entry into the European phase
Dec 17, 2002
Translation of priority document
Oct 31, 2002
Copy of the international search report
Oct 31, 2002
Published international application - A1

EP1291368

SUMITOMO SEIKA CHEMICALS

Application Number: EP02718574A
Filing Date: Apr 12, 2002
Status: Revoked; Feb 7, 2020
Publication Date: May 31, 2017
External Links: Slate, Register , Google Patents